256219920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 360

約数和(自身を含む): 1007232408

約数和(自身を除く): 751012488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 121, 132, 136, 144, 153, 165, 170, 173, 176, 180, 187, 198, 204, 220, 240, 242, 255, 264, 272, 306, 330, 340, 346, 360, 363, 374, 396, 408, 440, 484, 495, 510, 519, 528, 561, 605, 612, 660, 680, 692, 720, 726, 748, 765, 792, 816, 865, 880, 935, 968, 990, 1020, 1038, 1089, 1122, 1210, 1224, 1320, 1360, 1384, 1452, 1496, 1530, 1557, 1584, 1683, 1730, 1815, 1870, 1903, 1936, 1980, 2040, 2057, 2076, 2178, 2244, 2420, 2448, 2595, 2640, 2768, 2805, 2904, 2941, 2992, 3060, 3114, 3366, 3460, 3630, 3740, 3806, 3960, 4080, 4114, 4152, 4356, 4488, 4840, 5190, 5445, 5610, 5709, 5808, 5882, 6120, 6171, 6228, 6732, 6920, 7260, 7480, 7612, 7785, 7920, 8228, 8304, 8415, 8712, 8823, 8976, 9515, 9680, 10285, 10380, 10890, 11220, 11418, 11764, 12240, 12342, 12456, 13464, 13840, 14520, 14705, 14960, 15224, 15570, 16456, 16830, 17127, 17424, 17646, 18513, 19030, 20570, 20760, 20933, 21780, 22440, 22836, 23528, 24684, 24912, 26469, 26928, 28545, 29040, 29410, 30448, 30855, 31140, 32351, 32912, 33660, 34254, 35292, 37026, 38060, 41140, 41520, 41866, 43560, 44115, 44880, 45672, 47056, 49368, 52938, 57090, 58820, 61710, 62280, 62799, 64702, 67320, 68508, 70584, 74052, 76120, 82280, 83732, 85635, 87120, 88230, 91344, 92565, 97053, 98736, 104665, 105876, 114180, 117640, 123420, 124560, 125598, 129404, 132345, 134640, 137016, 141168, 148104, 152240, 161755, 164560, 167464, 171270, 176460, 185130, 188397, 194106, 209330, 211752, 228360, 235280, 246840, 251196, 258808, 264690, 274032, 291159, 296208, 313995, 323510, 334928, 342540, 352920, 355861, 370260, 376794, 388212, 418660, 423504, 456720, 485265, 493680, 502392, 517616, 529380, 582318, 627990, 647020, 685080, 705840, 711722, 740520, 753588, 776424, 837320, 941985, 970530, 1004784, 1058760, 1067583, 1164636, 1255980, 1294040, 1370160, 1423444, 1455795, 1481040, 1507176, 1552848, 1674640, 1779305, 1883970, 1941060, 2117520, 2135166, 2329272, 2511960, 2588080, 2846888, 2911590, 3014352, 3202749, 3558610, 3767940, 3882120, 4270332, 4658544, 5023920, 5337915, 5693776, 5823180, 6405498, 7117220, 7535880, 7764240, 8540664, 10675830, 11646360, 12810996, 14234440, 15071760, 16013745, 17081328, 21351660, 23292720, 25621992, 28468880, 32027490, 42703320, 51243984, 64054980, 85406640, 128109960, 256219920]

約数ペア:

[(1, 256219920), (2, 128109960), (3, 85406640), (4, 64054980), (5, 51243984), (6, 42703320), (8, 32027490), (9, 28468880), (10, 25621992), (11, 23292720), (12, 21351660), (15, 17081328), (16, 16013745), (17, 15071760), (18, 14234440), (20, 12810996), (22, 11646360), (24, 10675830), (30, 8540664), (33, 7764240), (34, 7535880), (36, 7117220), (40, 6405498), (44, 5823180), (45, 5693776), (48, 5337915), (51, 5023920), (55, 4658544), (60, 4270332), (66, 3882120), (68, 3767940), (72, 3558610), (80, 3202749), (85, 3014352), (88, 2911590), (90, 2846888), (99, 2588080), (102, 2511960), (110, 2329272), (120, 2135166), (121, 2117520), (132, 1941060), (136, 1883970), (144, 1779305), (153, 1674640), (165, 1552848), (170, 1507176), (173, 1481040), (176, 1455795), (180, 1423444), (187, 1370160), (198, 1294040), (204, 1255980), (220, 1164636), (240, 1067583), (242, 1058760), (255, 1004784), (264, 970530), (272, 941985), (306, 837320), (330, 776424), (340, 753588), (346, 740520), (360, 711722), (363, 705840), (374, 685080), (396, 647020), (408, 627990), (440, 582318), (484, 529380), (495, 517616), (510, 502392), (519, 493680), (528, 485265), (561, 456720), (605, 423504), (612, 418660), (660, 388212), (680, 376794), (692, 370260), (720, 355861), (726, 352920), (748, 342540), (765, 334928), (792, 323510), (816, 313995), (865, 296208), (880, 291159), (935, 274032), (968, 264690), (990, 258808), (1020, 251196), (1038, 246840), (1089, 235280), (1122, 228360), (1210, 211752), (1224, 209330), (1320, 194106), (1360, 188397), (1384, 185130), (1452, 176460), (1496, 171270), (1530, 167464), (1557, 164560), (1584, 161755), (1683, 152240), (1730, 148104), (1815, 141168), (1870, 137016), (1903, 134640), (1936, 132345), (1980, 129404), (2040, 125598), (2057, 124560), (2076, 123420), (2178, 117640), (2244, 114180), (2420, 105876), (2448, 104665), (2595, 98736), (2640, 97053), (2768, 92565), (2805, 91344), (2904, 88230), (2941, 87120), (2992, 85635), (3060, 83732), (3114, 82280), (3366, 76120), (3460, 74052), (3630, 70584), (3740, 68508), (3806, 67320), (3960, 64702), (4080, 62799), (4114, 62280), (4152, 61710), (4356, 58820), (4488, 57090), (4840, 52938), (5190, 49368), (5445, 47056), (5610, 45672), (5709, 44880), (5808, 44115), (5882, 43560), (6120, 41866), (6171, 41520), (6228, 41140), (6732, 38060), (6920, 37026), (7260, 35292), (7480, 34254), (7612, 33660), (7785, 32912), (7920, 32351), (8228, 31140), (8304, 30855), (8415, 30448), (8712, 29410), (8823, 29040), (8976, 28545), (9515, 26928), (9680, 26469), (10285, 24912), (10380, 24684), (10890, 23528), (11220, 22836), (11418, 22440), (11764, 21780), (12240, 20933), (12342, 20760), (12456, 20570), (13464, 19030), (13840, 18513), (14520, 17646), (14705, 17424), (14960, 17127), (15224, 16830), (15570, 16456)]